<template>
  <el-form
      ref="formRef"
      :model="formData"
      :rules="formRules"
      v-loading="formLoading"
      label-width="0px"
      :inline-message="true"
      :disabled="disabled"
  >
    <el-table :data="formData" show-summary :summary-method="getSummaries" class="-mt-10px">
      <el-table-column label="序号" type="index" align="center" width="60"/>
      <el-table-column label="产品名称" min-width="180">
        <template #default="{ row, $index }">
          <el-form-item :prop="`${$index}.productId`" :rules="formRules.productId" class="mb-0px!">
            <ErpSelectRemoteProduct
              v-model="row.productId"
              @select="(product) => onChangeProduct(product, row)"
              placeholder="请选择产品"
            />
          </el-form-item>
        </template>
      </el-table-column>
      <el-table-column label="产品编码" min-width="100">
        <template #default="{ row }">
          <el-form-item class="mb-0px!">
            <el-input disabled v-model="row.productBarCode"/>
          </el-form-item>
        </template>
      </el-table-column>


      <el-table-column label="库存" min-width="100">
        <template #default="{ row }">
          <el-form-item class="mb-0px!">
            <el-input disabled v-model="row.stockCount" :formatter="erpCountInputFormatter"/>
          </el-form-item>
        </template>
      </el-table-column>
      <el-table-column label="单位" min-width="80">
        <template #default="{ row }">
          <el-form-item class="mb-0px!">
            <el-input disabled v-model="row.productUnitName"/>
          </el-form-item>
        </template>
      </el-table-column>
      <el-table-column label="用量" prop="count" fixed="right" min-width="140">
        <template #default="{ row, $index }">
          <el-form-item :prop="`${$index}.count`" :rules="formRules.count" class="mb-0px!">
            <el-input-number
                v-model="row.count"
                controls-position="right"
                :min="0.001"
                :precision="3"
                class="!w-100%"
            />
          </el-form-item>
        </template>
      </el-table-column>
      <el-table-column label="单价" fixed="right" min-width="120">
        <template #default="{ row, $index }">
          <el-form-item :prop="`${$index}.productPrice`" class="mb-0px!">
            <el-input-number
                disabled
                v-model="row.productPrice"
                controls-position="right"
                :min="0.01"
                :precision="2"
                class="!w-100%"
            />
          </el-form-item>
        </template>
      </el-table-column>
      <el-table-column label="金额" prop="allPrice" fixed="right" min-width="100">
        <template #default="{ row, $index }">
          <el-form-item :prop="`${$index}.allPrice`" class="mb-0px!">
            <el-input
                disabled
                v-model="row.allPrice"
                :formatter="erpPriceInputFormatter"
            />
          </el-form-item>
        </template>
      </el-table-column>
      <el-table-column label="备注" min-width="150">
        <template #default="{ row, $index }">
          <el-form-item :prop="`${$index}.remark`" class="mb-0px!">
            <el-input v-model="row.remark" placeholder="请输入备注"/>
          </el-form-item>
        </template>
      </el-table-column>
      <el-table-column align="center" fixed="right" label="操作" width="60">
        <template #default="{ $index }">
          <el-button @click="handleDelete($index)" link>—</el-button>
        </template>
      </el-table-column>
    </el-table>
  </el-form>
  <el-row justify="center" class="mt-3" v-if="!disabled">
    <el-button @click="handleAdd" round>+ 添加所需物料</el-button>
  </el-row>
</template>
<script setup lang="ts">
import ErpSelectRemoteProduct from '@/views/erp/product/product/components/ErpSelectRemoteProduct.vue'
import {ProductApi} from '@/api/erp/product/product'
import {StockApi} from '@/api/erp/stock/stock'
import {erpCountInputFormatter, erpPriceInputFormatter, erpPriceMultiply, getSumValue} from '@/utils'


defineOptions({name: 'ProducePlanMaterialItemForm'})
const props = defineProps<{
  items?: any[]
  disabled: false
}>()
const formLoading = ref(false) // 表单的加载中
const formData = ref([])
const formRules = reactive({
  productId: [{required: true, message: '产品不能为空', trigger: 'blur'}],
  count: [{required: true, message: '产品数量不能为空', trigger: 'blur'}]
})
const formRef = ref([]) // 表单 Ref

/** 初始化设置出库项 */
watch(
    () => props.items,
    async (val) => {
      formData.value = val ?? []
    },
    {immediate: true}
)

/** 监听合同产品变化，计算合同产品总价 */
watch(
    () => formData.value,
    (val) => {
      if (!val || val.length === 0) {
        return
      }
      // 循环处理
      val.forEach((item) => {
        item.allPrice = erpPriceMultiply(item.productPrice, item.count)
      })
    },
    {deep: true}
)

/** 合计 */
const getSummaries = (param: SummaryMethodProps) => {
  const {columns, data} = param
  const sums: string[] = []
  columns.forEach((column, index: number) => {
    if (index === 0) {
      sums[index] = '合计'
      return
    }
    if (['count', 'allPrice'].includes(column.property)) {
      const sum = getSumValue(data.map((item) => Number(item[column.property])))
      sums[index] =
          column.property === 'count' ? erpCountInputFormatter(sum) : erpPriceInputFormatter(sum)
    } else {
      sums[index] = ''
    }
  })

  return sums
}

/** 新增按钮操作 */
const handleAdd = () => {
  const row = {
    id: undefined,
    planNo: undefined,
    planId: undefined,
    productId: undefined,
    productName: undefined,
    productUnitId: undefined,
    count: 1,
    pullCount: undefined,
    backCount: undefined,
    useCount: undefined,
    checkCount: undefined,
    productPrice: undefined,
    allPrice: undefined,
    remark: undefined
  }
  console.log(formData.value)
  formData.value.push(row)
}

/** 删除按钮操作 */
const handleDelete = (index: number) => {
  formData.value.splice(index, 1)
}

/** 处理产品变更 */
const onChangeProduct = (product, row) => {
  if (product) {
    row.productId = product.id
    row.productName = product.name
    row.productUnitName = product.unitName
    row.productUnitId = product.unitId
    row.productPrice = product.purchasePrice
  }
  // 加载库存
  setStockCount(row)
}

/** 加载库存 */
const setStockCount = async (row: any) => {
  if (!row.productId) {
    return
  }
  const count = await StockApi.getStockCount(row.productId)
  row.stockCount = count || 0
}

/** 表单校验 */
const validate = () => {
  return formRef.value.validate()
}
defineExpose({validate})

/** 初始化 */
onMounted(async () => {
  // 默认添加一个
  if (formData.value.length === 0) {
    handleAdd()
  }
})
</script>
